diff --git a/rpg/enzyme.py b/rpg/enzyme.py
index 07eb42009b3c6635180ffa29c577b6780d34d17d..39ecadba872b51598b810d7effcbe83aa11dae67 100644
--- a/rpg/enzyme.py
+++ b/rpg/enzyme.py
@@ -68,10 +68,6 @@ class Enzyme:
             return self.__dict__ == other.__dict__
         return False
 
-    # Needed with __eq__ to make it hashable
-    def __hash__(self):
-        return hash(self.__dict__.values())
-
     def write_enzyme_in_user_file(self, enz_file=DEFUSERENZFILE):
         """Write enzyme to user's enzyme file as a Python function.